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CVE-2026-114643 Details

Description

The MongoDB C# Driver writes GeoJSON extra members without checking whether their names collide with reserved GeoJSON members such as type and coordinates. An application that places user-supplied field names into these extra members can store documents with duplicate geometry fields, so the server and the driver resolve different values for the same record. Affected records can also become unreadable through the driver, interrupting application code that reads them.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/mongodb/mongo-csharp-driver/security/advisories/GHSA-mqvm-xxqr-vqw5	CISA-ADP
https://github.com/mongodb/mongo-csharp-driver/releases/tag/v3.13.0	[email protected]
https://github.com/mongodb/mongo-csharp-driver/security/advisories/GHSA-mqvm-xxqr-vqw5	[email protected]
https://jira.mongodb.org/browse/CSHARP-6179	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-694	Use of Multiple Resources with Duplicate Identifier	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

Date	Action	Recorded By
Nov 2, 2026	CVE Modified	CISA-ADP
Oct 22, 2026	CVE Modified	[email protected]
Oct 22, 2026	New CVE Received	[email protected]